The world's 50 most Instagrammable pools

"The hotel occupies floors 34 to 52 of the Shard, the tallest building in London, and the UK. The beauty of this vantage point is that unlike other cities in which skyscrapers are commonplace, relatively low-rise London is spread beneath you, so you're looking out at its finest landmarks rather than simply through the window of a millionaire’s penthouse. The 52nd-floor infinity pool is a deepy calming space, with lounge areas to snuggle down in post-swim, and a pool boy who hands you heated towels and serves drinks."